selected as supply tanks for application systems and when a more complete drain out of stored liquids is required in indoor or outdoor applications. Tanks require stands to support the conical bottoms. Tanks are manufactured from medium-density polyethylene with U.V. inhibitors and designed for containment of liquids of up to 1.7 specific gravity. Tank walls are translucent for level viewing and equipped with gallon indicators.Capacity - 15 GallonsWeight - 10 PoundsLid - 12" threaded air tightFitting - 1 1/2" FPT BOSSDimensions - 19 x 27You will have to drill a hole for the airlock and get a 1 1/2" valve for the bottom.other than that works great.Stand sold at my store.